service for nelson mandela. 100 current heads of state and former leaders, including jimmy carter, bill clinton and george w. bush. just behind them, archbishop desmond tutu. president and mrs. obama, drawing cheers from the crowds. these words from president obama, to honor a man he called a personal hero. >> we know like south africa the united states had to overcome centuries of racial subrogation. as was true here, it took sacrifice, sacrifice of countless people, known and unknown, to see the dawn of a new day. michelle and i are beneficiaries of that struggle. but in america and in south africa, and in countries all around the globe, we cannot allow our progress to cloud the fact that our work is not yet done. the struggles that follow the victory of former equality where universal franchise may not be as filled with drama and moral clarity as those that came before but they are no less important. for around the world today, we still see children suffering from hunger and disease. we still see run-down schools. we still see young people with prospects for the future. around the world toda